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authorJohannes Berg <johannes.berg@intel.com>2012-03-06 13:30:58 -0800
committerJohn W. Linville <linville@tuxdriver.com>2012-03-07 13:56:32 -0500
commit4bd14dd5f77bbe3c51f50f4e86d3b8960e6a518c (patch)
tree0dbf32e6fbf047035389a09b7b1124ca769a5551 /drivers/net/wireless/iwlwifi/iwl-agn-rx.c
parentf47208934b2aba432722baeb86a72fcbfd26b593 (diff)
iwlwifi: abstract out notification wait support
This will be sharable, but needs to live in the op_mode as it is dependent on command processing. Make a library out of the notification wait code. Since I wrote all of the code originally and only Intel employees changed it, we can also relicense it to dual BSD/GPL. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rx.c24
1 files changed, 2 insertions, 22 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
index 5c9c88b8609..f17142bb5df 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
@@ -1142,9 +1142,7 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv)
priv->rx_handlers[REPLY_TX] = iwlagn_rx_reply_tx;
/* set up notification wait support */
- spin_lock_init(&priv->shrd->notif_wait_lock);
- INIT_LIST_HEAD(&priv->shrd->notif_waits);
- init_waitqueue_head(&priv->shrd->notif_waitq);
+ iwl_notification_wait_init(&priv->notif_wait);
/* Set up BT Rx handlers */
if (cfg(priv)->lib->bt_rx_handler_setup)
@@ -1164,25 +1162,7 @@ int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
* even if the RX handler consumes the RXB we have
* access to it in the notification wait entry.
*/
- if (!list_empty(&priv->shrd->notif_waits)) {
- struct iwl_notification_wait *w;
-
- spin_lock(&priv->shrd->notif_wait_lock);
- list_for_each_entry(w, &priv->shrd->notif_waits, list) {
- if (w->cmd != pkt->hdr.cmd)
- continue;
- IWL_DEBUG_RX(priv,
- "Notif: %s, 0x%02x - wake the callers up\n",
- get_cmd_string(pkt->hdr.cmd),
- pkt->hdr.cmd);
- w->triggered = true;
- if (w->fn)
- w->fn(priv, pkt, w->fn_data);
- }
- spin_unlock(&priv->shrd->notif_wait_lock);
-
- wake_up_all(&priv->shrd->notif_waitq);
- }
+ iwl_notification_wait_notify(&priv->notif_wait, pkt);
if (priv->pre_rx_handler &&
priv->shrd->ucode_owner == IWL_OWNERSHIP_TM)